Abdominal exerciser with rotatable seat



FIG. 1 is a front, right perspective view of an abdominal exerciser with rotatable seat showing our new design;

FIG. 2 is a front, top perspective view thereof, shown with the backrest in a partially reclined position;

FIG. 3 is a front, top perspective view thereof, shown with the seat in a rotated position;

FIG. 4 is a rear, left perspective view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a left side perspective view thereof;

FIG. 7 is a right side perspective view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a top perspective view thereof; and,

FIG. 10 is a front, top perspective view thereof, shown with the seat in an opposite full rotated position. 

The ornamental design for an abdominal exerciser with rotatable seat, as shown and described. 